<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <!-- 用户名<input type="text"><br>
    密码<input type="password"></br>
    性别：
    <input type="radio" name="sex">男
    <input type="radio" name="sex" checked="checked">女</br>
    爱好：
    <input type="checkbox">吃饭
    <input type="checkbox">睡觉
    <input type="checkbox">打游戏<br> -->
    <!-- <input type="button" value="我是一个按钮" onclick="alert('hello')"> -->
     <!-- <form action="test.html">
         用户名<input type="text" name="username">
         密码<input type="password" name="password">
         <input type="submit" value="提交">
         <input type="reset" value="清空"> 
     </form> -->
     <!-- <input type="file"> -->
     <!-- 性别：
     <label for="male">男</label> <input id="male" type="radio" name="sex">
     <label for="female">女</label> <input id="female" type="radio" name="sex"></br> -->
     <!-- 居住地：
     <select>
        <option>北京</option>
        <option selected="selected">上海</option>
        <option>广州</option> 
     </select> -->
     <!-- <select>
        <option>请选择年份</option>
        <option>2000</option>
        <option>2001</option>
        <option>2002</option>
        <option>2003</option>
        <option>2004</option>
     </select> -->
     <!-- <textarea rows="5" cols="30">
     </textarea> -->
     <!-- <span>吃饭</span>
     <span>睡觉</span>
     <span>洗澡</span> -->
     <div>
        <span>吃饭</span>
        <span>睡觉</span>
        <span>洗澡</span>
     </div>
     <div>吃饭</div>
     <div>睡觉</div>
     <div>洗澡</div>

</body>
</html>